I honestly don't think Paul Reuben fits that character on the other hand Pat was exactly how I thought he should sound like, Lou was pretty close though, Roger was a bit jarring but not as much as Paul

Lou is okay. It kind of falls into the same area as his performance as Orko. It's just meant to be the goofy, bumbling small sidekick character. And for what he's doing it's okay (not as entertaining as Orko, but still)

Pat is again, okay. He doesn't have a whole lot to work with here, but he seems like he could've worked decently if given more material to work with.

Paul's energy and voice work so great for the character, as did the way that this character was portrayed in the show. He was able to go from being a calm, and intelligent sounding being, to being a completely childish fanboy yelling and being a complete goof.

Roger is pretty good. Nice change of pace for him I feel. I feel he could've been a little more energetic, but it's entertaining to listen to, and again, it's a nice change of pace in terms of character and voice for him.

Paul Ruebens really shines as Bat-Mite. Brave and the Bold managed to make Bat Mite rather endearing and likeable and Paul's performance is a key factor in all of that. His delivery and performance is funny and kind of reminds me of a bit of Todd Haberkorn at times.

Roger Craig Smith was very surprising as Bat-Mite, his voice here is like a more kinder sounding version of his Belson from Clarence. He's really good for the most part though not as great as Paul was.

Pat Fraley is fine (despite being a bit grating) but he kind of loses points for the fact his Bat-Mite is just a toy prototype invention and not an actual person.

Lou Scheimer is rather annoying, I know it's original appearance and characterization but man It makes me really glad Brave and the Bold exists.

Paul gets my vote for sure.

BONUS: I think Todd Haberkorn would be a great fit for Bat-Mite as would Greg Ayres, Gabe Khouth, Tom Kenny and/or Mitchell Whitfield.